alter-table-ms-sql_odbc-nt_4.0-cmp-db2,informix,ms-sql,mysql,oracle,solid,sybase

来自「开启mysql的远程连接的方法 mysql-noinstall-5.1.6-al」· 0-CMP-DB2,INFORMIX,MS-SQL,MYSQL,ORACLE,SOLID,SYBASE 代码 · 共 15 行

Testing server 'Microsoft SQL Server  7.00 - 7.00.517 (Intel X86) ' at 1998-09-07  2:15:14

Testing of ALTER TABLE
Testing with 16 columns and 1000 rows in 20 steps
Insert data into the table
Time for insert (1000) 6 secs ( 6.49 usr  0.00 sys =  6.49 cpu)

Time for alter_table_add (8):  0 secs ( 0.04 usr  0.00 sys =  0.04 cpu)

Time for create_index (8):  1 secs ( 0.64 usr  0.00 sys =  0.64 cpu)

Time for drop_index (8):  0 secs ( 0.07 usr  0.00 sys =  0.07 cpu)

Total time:  7 secs ( 7.50 usr  0.00 sys =  7.50 cpu)